Prediction of annulus pressure in variable pressure gradients drilling
J Wang, J Li, G Liu, A Chen, K Luo, T Huang… - Acta Petrolei …, 2020 - syxb-cps.com.cn
To accurately grasp the distribution characteristics of annulus temperature and pressure in
variable pressure gradients drilling, based on the theory of flow and heat transfer of wellbore …
variable pressure gradients drilling, based on the theory of flow and heat transfer of wellbore …
变压力梯度下钻井环空压力预测
王江帅， 李军， 柳贡慧， 陈安明， 骆奎栋， 黄涛， 汪伟 - 石油学报, 2020 - syxb-cps.com.cn
为准确掌握变压力梯度钻井环空温度和压力分布特性, 基于井筒流体流动与传热理论,
充分考虑分离器位置处流体" 变质量" 传热传质与循环流体物性参数随温度和压力的变化 …
充分考虑分离器位置处流体" 变质量" 传热传质与循环流体物性参数随温度和压力的变化 …
Flow pressure drop of laminar helical flow of power-law fluid in concentric annulus of elliptical wellbore
M Tang, X Guo, Y Xie, C Zhao, Y Jing, S He - Acta Petrolei Sinica, 2024 - syxb-cps.com.cn
Accurate prediction of annular pressure drop provides the foundation for precisely
controlling bottom hole pressure and effectively preventing complex downhole incidents …
controlling bottom hole pressure and effectively preventing complex downhole incidents …
[PDF][PDF] 幂律流体在椭圆井眼同心环空中螺旋层流流动压降
汤明， 郭欣钰， 谢玉森， 赵晨敏， 敬亚东， 何世明 - 石油学报, 2024 - cps.org.cn
(西南石油大学油气藏地质及开发工程全国重点实验室四川成都610500) 摘要:
环空压降的准确预测是精准控制井底压力的基础, 能够有效防止井漏, 溢流 …
环空压降的准确预测是精准控制井底压力的基础, 能够有效防止井漏, 溢流 …
椭圆井眼同心环空赫巴流体流动规律研究及压降计算简化模型
张洁， 汤明， 蒋振新， 甘一风， 曾德智 - 特种油气藏, 2021 - sogr.com.cn
因岩石和地应力的非均匀性易形成椭圆井眼, 导致现有规则圆形井眼环空流动模型存在较大误差
. 为明确椭圆井眼同心环空赫巴流体流动规律, 建立了解析模型和Fluent 仿真模型 …
. 为明确椭圆井眼同心环空赫巴流体流动规律, 建立了解析模型和Fluent 仿真模型 …
Study on flow rules of Herschel-Bulkley fluid in concentric annulus of elliptical wellbore and simplified model for pressure drop calculation
Z Jie, T Ming, J Zhenxin, G Yifeng… - Special Oil & Gas …, 2021 - sogr.com.cn
The wellbore is easy to become elliptical due to the uneven rocks and in-situ stress, leading
to great deviation in the existing annulus flow model of regular circular wellbore. In order to …
to great deviation in the existing annulus flow model of regular circular wellbore. In order to …